Breadboard
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A breadboard, solderless breadboard, or protoboard is a construction base used to build semi-permanent prototypes of electronic circuits. Unlike a perfboard or stripboard, breadboards do not require s
400 point printed circuit board (PCB) is electrically equivalent to the above solderless breadboard
Educational circuits on blocks of wood
Breadboard consisting of only terminal strips but no bus strips
Solderless breadboard with dual bus strips on both sides
Wire wrap
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Wire wrap is an electronic component assembly technique that was invented to wire telephone crossbar switches, and later adapted to construct electronic circuit boards. Electronic components mounted o
Close-up of wire-wrap connections
Typical wire wrap construction of Bell System telephone crossbar switch. Some types of connection were soldered.
Wire wrapped backplane of an IBM 1401 computer, introduced in 1959
A modern wire wrap in a CFL